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Updated: Jul 17, 2026

Systems Biology of Metabolic Regulation by Estrogen Receptor Signaling in Breast Cancer
Published on: March 17, 2016
Estrogen-related receptor alpha as a therapeutic target in cancer
1Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, North Carolina 27710, USA.
Abstract:
The orphan receptor estrogen-related receptor alpha (ERR alpha) is a member of the nuclear receptor superfamily of ligand-regulated transcription factors. This protein is structurally most related to the canonical estrogen receptor and has been shown to modulate estrogen signaling in some contexts. These observations have heightened interest in ERR alpha as a therapeutic target in both breast and ovarian cancer and in other estrogenopathies. This review details our present understanding of ERR alpha action with a view to highlight specific aspects of its signal-transduction pathway in breast cancer that may be amenable to pharmaceutical manipulation.
Insights
Estrogen-related receptor alpha (ERR alpha) is a key nuclear receptor influencing estrogen signaling. Understanding its pathway in breast cancer offers new therapeutic targets for estrogen-related diseases.
Area of Science:
- Endocrinology
- Molecular Biology
- Oncology
Background:
- Estrogen-related receptor alpha (ERR alpha) is an orphan nuclear receptor.
- It is structurally similar to the estrogen receptor and modulates estrogen signaling.
- ERR alpha is implicated in breast and ovarian cancers and other estrogenopathies.
Purpose of the Study:
- To review the current understanding of ERR alpha's function.
- To identify specific aspects of ERR alpha's signal-transduction pathway in breast cancer.
- To highlight potential pharmaceutical targets for therapeutic manipulation.
Main Methods:
- Literature review of ERR alpha research.
- Analysis of ERR alpha's role in nuclear receptor superfamily.
- Examination of estrogen signaling modulation.
Main Results:
- ERR alpha's structural and functional relationship to estrogen receptor.
- ERR alpha's involvement in estrogen-dependent signaling pathways.
- Identification of ERR alpha as a potential therapeutic target in cancer.
Conclusions:
- ERR alpha is a promising therapeutic target for breast and ovarian cancers.
- Targeting ERR alpha's signal-transduction pathway may offer new treatment strategies.
- Further research into ERR alpha is warranted for pharmaceutical development.
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